Massachusetts · Rock climbing · Ayer

Chimney Boulders

8 routes
V0-1 – V7-8
Bouldering
Apr, Jul–Oct
best months

Clear today

Weather is good · OpenWeather · checked 4 h ago

Chimney Boulders is a bouldering area in Massachusetts, about 1.3 miles from the town of Ayer. It sits among a cluster of climbing spots, with Ayer Boulders, Kotik Crag and Trashcan Boulder all about 0.1 mile away. Late spring and early fall are the most comfortable times to visit. Typical averages from a nearby weather station in Fitchburg show May highs around 70°F and September highs around 74°F, while July peaks near 83°F and January highs sit around 34°F. For more time outdoors, Priest Bridge Road offers cross-country skiing about 2 miles away, and the Esker Loop Trail and Dead River Road hikes are both within about 2 miles. Spacious Skies Campgrounds at Minute Man is also about 2.2 miles off.